Finding the Fourth Proportional to 59,112.12, 88,667.52 and 16,993.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,112.12 : 88,667.52 = 16,993.20 : x
2. Step 2: Convert to fraction form
   59,112.12/88,667.52 = 16,993.20/x
3. Step 3: Cross multiply
   59,112.12x = 88,667.52 × 16,993.20
4. Step 4: Simplify right side
   59,112.12x = 1,506,744,900.86
5. Step 5: Solve for x
   x = 1,506,744,900.86/59,112.12
6. Step 6: Final answer
   x = 25,489.61